For service and parts needs, visit your dealer. You will receive genuine GM parts and GM-trained and supported service people.
Genuine GM parts have one of these marks:

Vehicle Care
California Proposition 65 WarningOff-Road Recovery
The vehicle's right wheels can drop off the edge of a road onto the shoulder
while driving. Follow these tips:
1. Ease off the accelerator and then, if there is nothing in the way, steer the
vehicle so that it straddles the edge of the pavement.
2. Turn the steering wheel about one-eight ...
Windshield Washer Pump Replacement
Removal Procedure
Remove the front wheelhouse liner. Refer to Front Wheelhouse Liner
Replacement.
Disconnect the washer pump electrical connector (1).
Disconnect the washer pump hose (2) from the washer pump (3).
Using a small flat-bladed tool, remove the washer pump from the washer ...
Vehicle Positioning
At times, the position of the vehicle on the map could be inaccurate due to one
or more of the following reasons:
• The road system has changed.
• The vehicle is driving on slippery road surfaces such as sand, gravel, or snow.
• The vehicle is traveling on winding roads or long straight roads.
...